From Infogalactic: the planetary knowledge core
|Centuries:||12th century – 13th century – 14th century|
|Decades:||1180s 1190s 1200s – 1210s – 1220s 1230s 1240s|
|Years:||1209 1210 1211 – 1212 – 1213 1214 1215|
|1212 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1212 in poetry|
|Ab urbe condita||1965|
|English Regnal year||13 Joh. 1 – 14 Joh. 1|
|Chinese calendar||辛未年 (Metal Goat)
3908 or 3848
— to —
壬申年 (Water Monkey)
3909 or 3849
|- Vikram Samvat||1268–1269|
|- Shaka Samvat||1134–1135|
|- Kali Yuga||4313–4314|
|Japanese calendar||Kenryaku 2
|Minguo calendar||700 before ROC
|Thai solar calendar||1754–1755|
|Wikimedia Commons has media related to 1212.|
- July 10 – The most severe of several early fires of London burns most of the city to the ground, Over 3,000 people die.
- July 16 – Battle of Navas de Tolosa: The Christian kingdoms of Spain decisively defeat the Almohads. This victory leaves however the Kingdom of Castile in a difficult financial position as the numerous soldiers have to be paid by the treasury.
- December – Frederick II of Hohenstaufen is crowned King of Germany with the support of Pope Innocent III.
- The Children's Crusade for the Holy Land is organised. There are probably two separate movements of young people, both led by shepherd boys, neither of which embark from Europe, but both of which suffer considerable hardship:
- The contemplative Order of Poor Clares is founded by Clare of Assisi.
- In Japan, Kamo no Chōmei writes the Hōjōki, one of the great works of classical Japanese prose.
- Bran Castle is erected by the Teutonic Knights.
- John of England impounds the revenue of all prelates appointed by bishops who had deserted him at his excommunication. He remains on good terms, however, with churchmen who stood by him, including Abbot Sampson, who this year bequeaths John his jewels.
- The Banner of Las Navas de Tolosa is begun. It is a trophy of Ferdinand III of Castile, and will end up in the Museo de Telas Medievales.
- The city of Bergen op Zoom probably gets municipal rights.
- The fall of Argos to the Crusaders early in the year completes their conquest of the Morea. The city, along with Nauplia, is given to Otto de la Roche as a fief (Argos and Nauplia).
- March 22 – Emperor Go-Horikawa of Japan (d. 1234)
- April 25 – Yolande of Jerusalem (d. 1228)
- Malatesta da Verucchio, Italian condottiero, founder of the Malatesta family (d. 1312)
- Zita, patron saint of maids and domestic servants (d. 1272)
- February 29 – Hōnen, founder of Jodo Shu, a branch of Pure Land Buddhism (b. 1133)
- April 12 – Vsevolod the Big Nest, Grand Prince of Vladimir (b. 1154)
- April/May – Maria of Montferrat, Queen of Jerusalem (b. 1192; post-natal complications)
- July 16 – William de Brus, 3rd Lord of Annandale
- October 9 – Philip I of Namur, Marquis of Namur (b. 1175)
- November 4 – Felix of Valois, French saint (b. 1127)
- December 5 – Dirk van Are, bishop and lord of Utrecht
- December 12 – Geoffrey, Archbishop of York (b. 1152)
- date unknown
- Linehan, Peter (1999). "Chapter 21: Castile, Portugal and Navarre". In David Abulafia. The New Cambridge Medieval History c.1198-c.1300. Cambridge: Cambridge University Press. pp. 668–671. ISBN 0-521-36289-X.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- Bridge, Antony (1980). The Crusades. London: Granada Publishing. ISBN 0-531-09872-9.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- Warren, W. L. (1961). King John. Berkeley: University of California Press. pp. 169–172.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>